[581] Omoi wo Tsutaerarenai Mama | Still Unable To Express My Feelings Ch 1-4

On her birthday, schoolgirl Kei is surprised by a masked figure who presents her with a mysterious gift, only to discover that the target’s awakening triggers a secret operation that forces her body into a new, submissive form. As the machine’s influence reshapes her into a pet‑like being under mind control, Kei wrestles with lingering feelings for Kai‑san while the tension of her involuntary transformation escalates. The story builds toward a charged climax where her identity is fully altered, leaving the outcome of her conflicted heart uncertain.